目前主要存在三种不同的抽样算法及其研究现状： 均匀抽样(uniform sampling)： 数据集中各元素以相同的概率被选取到样本集合中。
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非均匀抽样 non uniform sampling
均匀抽样率 uniform sampling fraction
均匀抽样设计 uniform sampling design
均匀抽样定理 uniform sampling theorem
均匀设计抽样遗传算法 UDSGA
In this paper, a new channel estimation method based on the non-conventional pilots is studied, in which channel state information is estimated indirectly using of non-uniform sampling technique, and permit a flexible distribution of pilot data.
本文研究了新的基于非常规导频的信道估计方法,利用非均匀抽样技术间接估计信道,能够灵活地分配导频数据。
参考来源 - 基于导频的OFDM信道估计算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在某些信号处理和通信应用中要求非均匀抽样。
There are requirements of nonuniform sampling in certain applications of signal processing and communications.
通过对威胁的打击点进行随机均匀抽样来获得导致飞机杀伤的期望打击数目，从而可以计算飞机等效单一易损面积。
By randomly and uniformly sampling the threat hit locations, the expected number of hits required to kill an aircraft can be given and the aircraft equivalent singly vulnerable area can be attained.
分组抽样，即测量随机的家庭“组”，一般用于不均匀地分散在较大面积地理区域的人群。
Cluster sampling, in which random "clusters" of households are measured, is used in populations that are not in even or structured Settings but are spread unevenly over a large geographic area.
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